Pith Number

pith:RNBAIZML

pith:2018:RNBAIZML3RNQSVZP4RJNGVGXXR

not attested not anchored not stored refs pending

Optimal universal learning machines for quantum state discrimination

Andrea Mari, Marco Fanizza, Vittorio Giovannetti

arxiv:1805.03477 v3 · 2018-05-09 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RNBAIZML3RNQSVZP4RJNGVGXXR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:41:56.270868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b4204658bdc5b09572fe452d354d7bc791e745dc32eb3328e2b5900db123193

Aliases

arxiv: 1805.03477 · arxiv_version: 1805.03477v3 · doi: 10.48550/arxiv.1805.03477 · pith_short_12: RNBAIZML3RNQ · pith_short_16: RNBAIZML3RNQSVZP · pith_short_8: RNBAIZML

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RNBAIZML3RNQSVZP4RJNGVGXXR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 8b4204658bdc5b09572fe452d354d7bc791e745dc32eb3328e2b5900db123193

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f32ff6a626a061e36afa0353ff44a2e6a7df3c30867415bdfe51f2199b9b025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-09T12:30:13Z",
    "title_canon_sha256": "18cbfadb5040577ad75224f42f81eebafbc39f725bfba68c269b7c3288dfa617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03477",
    "kind": "arxiv",
    "version": 3
  }
}